CN107999998A - A kind of silicon bronze solder wire and its production technology - Google Patents
A kind of silicon bronze solder wire and its production technology Download PDFInfo
- Publication number
- CN107999998A CN107999998A CN201711205934.9A CN201711205934A CN107999998A CN 107999998 A CN107999998 A CN 107999998A CN 201711205934 A CN201711205934 A CN 201711205934A CN 107999998 A CN107999998 A CN 107999998A
- Authority
- CN
- China
- Prior art keywords
- content
- copper
- silicon bronze
- silicon
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
Abstract
The present invention relates to a kind of silicon bronze alloy welding wire and its production technology, its component and its percentage by weight are：Silicone content 2.55% ~ 2.7%, manganese content 0.85% ~ 0.9%, content of magnesium 0.85% ~ 0.9%, phosphorus content 0.085% ~ 0.09%, Theil indices 0.085% ~ 0.09%, Zn content 0.085% ~ 0.09%, indium content 0.0085% ~ 0.009%, oxygen content are less than 5ppm, and surplus is copper；The production technology of silicon bronze alloy welding wire is：Continuous up-casting, it is continuously extruded, strip off the skin, roll, being heat-treated, wire drawing, stress relief annealing；The tensile strength of the silicon bronze solder wire of preparation is more than 400MPa, elongation is more than 50%.
Description
Technical field
The present invention relates to a kind of Cu alloy material, is specifically a kind of silicon bronze alloy solder wire material and its production technology.
Background technology
Body of a motor car appearance quality requirement is high, and the surface chain welding seam postwelding of vehicle body and car door is needed at sanding and polishing
Reason.In the past use gas brazing process, select brazing solder welding, welding rear thin plate heat affected area area compared with
Greatly, deformation is serious, can not meet the requirement of vehicle body presentation quality.
MIG arc brazings are to use consumable electrode, using adscititious gases as electric arc medium, and protect metal drop, welding
Molten bath and the arc welding method of welding section high-temperature metal.MIG arc brazings are generally using low melting points such as silicon bronze, aluminium bronzes
Copper base wires solder.The coated plate such as zinc-plated, tin plating is welded, low with sweating heat discrepancy amount, mother metal is non-fusible, coating gold
It is few to belong to volatile quantity, weld strength is high, workpiece heat affected area very little, and postwelding is applicable in easy to process characteristics such as sanding and polishing processing
In the welding of body of a motor car surface weld.
Silicon bronze solder wire is widely used in automobile due to the advantages that its fusing point is relatively low, welding technological properties is good, weld seam is beautiful
The welding of bodywork surface.Chinese patent CN201210456208 and Chinese patent CN201710128381 discloses Automobile Welding use
The correlation technique of silicon bronze silk, but silicone content is higher in silicon bronze alloy disclosed in the two patents, silicone content is compared with Gao Shirong
Easily formation brittlement phase Mn2Si makes alloy, and there is a situation where autoclasis.Meanwhile the technology disclosed in patent is melting, continuous casting（On
Draw continuous casting）, cold rolling（Rolling）It is processed etc. technique, because without hot-working is passed through, the performance of material does not reach as-cast structure
To optimal.
The content of the invention
It is an object of the invention to provide a kind of silicon bronze alloy welding wire and its production technology, the welding wire performance of preparation is excellent
It is different, preferably suitable for automotive body welding.
The present invention is to be achieved through the following technical solutions：
A kind of silicon bronze solder wire, the component and its percentage by weight of the welding wire are：Silicone content 2.55% ~ 2.7%, manganese content
0.85% ~ 0.9%, content of magnesium 0.85% ~ 0.9%, phosphorus content 0.085% ~ 0.09%, Theil indices 0.085% ~ 0.09%, Zn content
0.085% ~ 0.09%, indium content 0.0085% ~ 0.009%, oxygen content is less than 5ppm, and surplus is copper；Wherein silicone content and manganese content
Ratio be 3：1, the ratio of manganese content and content of magnesium is 1：1, the ratio of manganese content and phosphorus content is 10：1, phosphorus content, tin contain
Amount, the ratio of Zn content are 1：1：1, the ratio of phosphorus content and indium content is 10：1.
The elements such as silicon bronze solder wire addition magnesium, phosphorus, indium can not only improve the welding performance of welding wire, can also improve welding wire
Mechanical performance.
A kind of production technology of silicon bronze solder wire comprises the following steps：
（1）Continuous up-casting：Among Cu-CATH-1, copper silicon intermediate alloy, copper manganese intermediate alloy, copper magnesium intermediate alloy, copper phosphorus
Alloy, copper and tin intermediate alloy, pure zinc, copper and indium intermediate alloy are raw material, melting, continuous up-casting in smelting apparatus, and described is molten
Refining device includes melting furnace and holding furnace, wherein fusing furnace temperature is 1150 ± 5 DEG C, insulation furnace temperature is 1130 ± 5 DEG C；It is described
Charcoal be covered in melting furnace, its granularity is 60mm-80mm, cladding thickness 150mm-200mm, and graphite flakes are covered in insulation
In stove, its cladding thickness 50mm-100mm；On draw a diameter of 20mm of copper bar, above draw copper shank diameter tolerance and be less than ± 0 .1mm,
On to draw the hauling speed of copper bar be 550-600mm/min；
（2）It is continuously extruded：It is raw material to draw copper bar above, and a diameter of 20mm silicon bronze copper rod is prepared using continuously extruded unit；
The rotating speed of the continuously extruded unit is 7-8r/min, and continuously extruded temperature is more than 700 DEG C, and squeeze pressure is more than
1100MPa, the gap of shoe and extruding wheel is 0.10-0.12mm in continuously extruded unit, and the compaction pressure of shoe is 20-
30MPa, a diameter of 630mm of extruding wheel, the extruding wheel width of continuously extruded unit are 150mm；Continuously extruded unit, which uses, to be contained
30% alcohol water blend cools down silicon bronze copper rod, and the temperature of silicon bronze copper rod is less than 50 DEG C after cooling, and the silicon of preparation is blue or green
The crystallite dimension of copper copper rod is 0.007-0 .015mm；
（3）Strip off the skin：Silicon bronze copper rod is stripped off the skin, a diameter of 18mm of silicon bronze copper rod after stripping off the skin；
（4）Rolling：Silicon bronze copper rod is used into multi- pass rolling, the silicon bronze copper wire of a diameter of 3mm obtained after rolling, and roll
It is lubricated and cools down using lotion during system, the concentration of lotion is 12%~15%, and temperature is less than 40 DEG C；
（5）Heat treatment：600 DEG C of temperature, when the time 3 is small；
（6）Wire drawing：Using wire drawing machine continuous wire drawing to a diameter of 1.2mm, the concentration of lotion is 10%~12%, and temperature is less than 35
℃；
（7）Stress relief annealing：250 DEG C of temperature, when the time 1 is small, using gas shield measure, prevents from aoxidizing；
The tensile strength of the silicon bronze solder wire prepared using above-mentioned steps is more than 400MPa, elongation is more than 50%.
The technical advantage of the present invention：
1. optimizing the element and constituent content of silicon bronze solder wire, the welding performance of welding wire is not only improved, also improves the machine of welding wire
Tool performance.
2. using continuous extruding technology, by the copper bar of continuous up-casting after continuously extruded hot-working, make the as cast condition of material
Structural transformation is conducive to improve the performance of material into dynamic recrystallized structure.
3. using heat treatment process, eliminate material and process hardening in process, be conducive to follow-up processing；Using
Stress anneal technique is gone, is conducive to the use of welding wire.
Embodiment
With reference to specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
A kind of silicon bronze solder wire, the component and its percentage by weight of the welding wire are：Silicone content 2.55%, manganese content
0.85%, content of magnesium 0.85%, phosphorus content 0.085%, Theil indices 0.085%, Zn content 0.085%, indium content 0.0085%, oxygen content
Less than 5ppm, surplus is copper.
A kind of production technology of silicon bronze solder wire comprises the following steps：
（1）Continuous up-casting：Among Cu-CATH-1, copper silicon intermediate alloy, copper manganese intermediate alloy, copper magnesium intermediate alloy, copper phosphorus
Alloy, copper and tin intermediate alloy, pure zinc, copper and indium intermediate alloy are raw material, melting, continuous up-casting in smelting apparatus, and described is molten
Refining device includes melting furnace and holding furnace, wherein fusing furnace temperature is 1150 DEG C, insulation furnace temperature is 1130 DEG C；The charcoal
It is covered in melting furnace, its granularity is 60mm-80mm, cladding thickness 150mm-200mm, and graphite flakes are covered in holding furnace,
Its cladding thickness 50mm-100mm；On draw a diameter of 20mm of copper bar, above draw copper shank diameter tolerance and be less than ± 0 .1mm, above draw copper
The hauling speed of bar is 550-600mm/min；
（2）It is continuously extruded：It is raw material to draw copper bar above, and a diameter of 20mm silicon bronze copper rod is prepared using continuously extruded unit；
The rotating speed of the continuously extruded unit is 8r/min, and continuously extruded temperature is more than 700 DEG C, and squeeze pressure is more than 1100MPa,
The gap of shoe and extruding wheel is 0.10-0.12mm in continuously extruded unit, and the compaction pressure of shoe is 20-30MPa, continuous to squeeze
The a diameter of 630mm of extruding wheel, the extruding wheel width of press group are 150mm；Continuously extruded unit uses water-soluble containing 30% alcohol
Liquid cools down silicon bronze copper rod, and the temperature of silicon bronze copper rod is less than 50 DEG C after cooling, the crystal grain of the silicon bronze copper rod of preparation
Size is 0.007-0 .015mm；
（3）Strip off the skin：Silicon bronze copper rod strips off the skin, a diameter of 18mm of silicon bronze copper rod after stripping off the skin；
（4）Rolling：Silicon bronze copper rod is used into multi- pass rolling, the copper wire of a diameter of 3mm obtained after rolling, and the operation of rolling
Middle to be lubricated and cooled down using lotion, the concentration of lotion is 12%~15%, and temperature is less than 40 DEG C；
（5）Heat treatment：600 DEG C of temperature, when the time 3 is small；
（6）Wire drawing：Using wire drawing machine continuous wire drawing to a diameter of 1.2mm, the concentration of lotion is 10%~12%, and temperature is less than 35
℃；
（7）Stress relief annealing：250 DEG C of temperature, when the time 1 is small, using gas shield measure, prevents from aoxidizing；
Tensile strength 416MPa, the elongation of the silicon bronze solder wire prepared using above-mentioned steps are more than 52%.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes for carrying out unsubstantiality to the present invention using this design, should all fall into protection scope of the present invention.
Claims (1)
1. a kind of silicon bronze alloy welding wire and its production technology, it is characterised in that：The component and its weight percent of silicon bronze solder wire
Than for：Silicone content 2.55% ~ 2.7%, manganese content 0.85% ~ 0.9%, content of magnesium 0.85% ~ 0.9%, phosphorus content 0.085% ~ 0.09%, tin
Content 0.085% ~ 0.09%, Zn content 0.085% ~ 0.09%, indium content 0.0085% ~ 0.009%, oxygen content are less than 5ppm, surplus
For copper；Wherein the ratio of silicone content and manganese content is 3：1, the ratio of manganese content and content of magnesium is 1：1, manganese content and phosphorus content
Ratio is 10：1, phosphorus content, Theil indices, the ratio of Zn content are 1：1：1, the ratio of phosphorus content and indium content is 10：1；Silicon is blue or green
The production technology of copperwelding rod is：
（1）Continuous up-casting：Among Cu-CATH-1, copper silicon intermediate alloy, copper manganese intermediate alloy, copper magnesium intermediate alloy, copper phosphorus
Alloy, copper and tin intermediate alloy, pure zinc, copper and indium intermediate alloy are raw material, melting, continuous up-casting in smelting apparatus, and described is molten
Refining device includes melting furnace and holding furnace, wherein fusing furnace temperature is 1150 ± 5 DEG C, insulation furnace temperature is 1130 ± 5 DEG C；It is described
Charcoal be covered in melting furnace, its granularity is 60mm-80mm, cladding thickness 150mm-200mm, and graphite flakes are covered in insulation
In stove, its cladding thickness 50mm-100mm；On draw a diameter of 20mm of copper bar, above draw copper shank diameter tolerance and be less than ± 0 .1mm,
On to draw the hauling speed of copper bar be 550-600mm/min；
（2）It is continuously extruded：It is raw material to draw copper bar above, and a diameter of 20mm silicon bronze copper rod is prepared using continuously extruded unit；
The rotating speed of the continuously extruded unit is 7-8r/min, and continuously extruded temperature is more than 700 DEG C, and squeeze pressure is more than
1100MPa, the gap of shoe and extruding wheel is 0.10-0.12mm in continuously extruded unit, and the compaction pressure of shoe is 20-
30MPa, a diameter of 630mm of extruding wheel, the extruding wheel width of continuously extruded unit are 150mm；Continuously extruded unit, which uses, to be contained
30% alcohol water blend cools down silicon bronze copper rod, and the temperature of silicon bronze copper rod is less than 50 DEG C after cooling, and the silicon of preparation is blue or green
The crystallite dimension of copper copper rod is 0.007-0 .015mm；
（3）Strip off the skin：Silicon bronze copper rod is stripped off the skin, a diameter of 18mm of silicon bronze copper rod after stripping off the skin；
（4）Rolling：Silicon bronze copper rod is used into multi- pass rolling, the copper wire of a diameter of 3mm obtained after rolling, and the operation of rolling
Middle to be lubricated and cooled down using lotion, the concentration of lotion is 12%~15%, and temperature is less than 40 DEG C；
（5）Heat treatment：600 DEG C of temperature, when the time 3 is small；
（6）Wire drawing：Using wire drawing machine continuous wire drawing to a diameter of 1.2mm, the concentration of lotion is 10%~12%, and temperature is less than 35
℃；
（7）Stress relief annealing：250 DEG C of temperature, when the time 1 is small, using gas shield measure, prevents from aoxidizing；
The tensile strength of silicon bronze solder wire prepared by above-mentioned steps is more than 400MPa, elongation is more than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205934.9A CN107999998A (en) | 2017-11-27 | 2017-11-27 | A kind of silicon bronze solder wire and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711205934.9A CN107999998A (en) | 2017-11-27 | 2017-11-27 | A kind of silicon bronze solder wire and its production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107999998A true CN107999998A (en) | 2018-05-08 |
Family
ID=62053800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711205934.9A Pending CN107999998A (en) | 2017-11-27 | 2017-11-27 | A kind of silicon bronze solder wire and its production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107999998A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514128A (en) * | 2019-01-10 | 2019-03-26 | 新利得（天津）焊接材料有限公司 | A kind of formula and processing technology of complexity Mn-Al-Ni bronze welding wire |
| CN110153224A (en) * | 2019-06-11 | 2019-08-23 | 大连环新精密特钢股份有限公司 | Production line and production method for shaped wire rolling |
| CN112238153A (en) * | 2020-09-27 | 2021-01-19 | 常州金方圆新材料有限公司 | Hot extrusion forging process for mother blank |
| CN112355515A (en) * | 2020-11-13 | 2021-02-12 | 上海都林特种合金材料有限公司 | Phosphor bronze solder and preparation method thereof |
| CN115213586A (en) * | 2022-08-22 | 2022-10-21 | 江苏亨通电力智网科技有限公司 | Wear-resistant and corrosion-resistant manganese-aluminum bronze welding wire and preparation method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691340A (en) * | 1970-01-13 | 1972-09-12 | Lincoln Electric Co | Welding electrode with lithium shielding metal |
| JPH07308794A (en) * | 1994-05-19 | 1995-11-28 | Showa Alum Corp | Brazing filler metal for low-temperature brazing |
| CN102886390A (en) * | 2012-10-25 | 2013-01-23 | 徐高磊 | Process for producing ultra-fine copper wire |
| CN103088230A (en) * | 2013-02-28 | 2013-05-08 | 徐高磊 | High-copper alloy strip for heat sink of automobile |
| CN103347644A (en) * | 2011-07-04 | 2013-10-09 | 法国圣戈班玻璃厂 | Method for producing pane having electrical connection element |
| CN104831114A (en) * | 2015-05-12 | 2015-08-12 | 苏州列治埃盟新材料技术转移有限公司 | Novel multicomponent environment-friendly lead-free alloy new material alloy bar and preparation method thereof |
| CN105063416A (en) * | 2015-07-22 | 2015-11-18 | 芜湖楚江合金铜材有限公司 | Environmental-friendly economical copper alloy wire and processing method thereof |
| CN106164306A (en) * | 2014-03-31 | 2016-11-23 | 古河电气工业株式会社 | Copper alloy wire and manufacture method thereof |
| CN106222477A (en) * | 2016-08-22 | 2016-12-14 | 徐高磊 | A kind of electric automobile charging pile adapter tellurium copper alloy and production technology thereof |
-
2017
- 2017-11-27 CN CN201711205934.9A patent/CN107999998A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3691340A (en) * | 1970-01-13 | 1972-09-12 | Lincoln Electric Co | Welding electrode with lithium shielding metal |
| JPH07308794A (en) * | 1994-05-19 | 1995-11-28 | Showa Alum Corp | Brazing filler metal for low-temperature brazing |
| CN103347644A (en) * | 2011-07-04 | 2013-10-09 | 法国圣戈班玻璃厂 | Method for producing pane having electrical connection element |
| CN102886390A (en) * | 2012-10-25 | 2013-01-23 | 徐高磊 | Process for producing ultra-fine copper wire |
| CN103088230A (en) * | 2013-02-28 | 2013-05-08 | 徐高磊 | High-copper alloy strip for heat sink of automobile |
| CN106164306A (en) * | 2014-03-31 | 2016-11-23 | 古河电气工业株式会社 | Copper alloy wire and manufacture method thereof |
| CN104831114A (en) * | 2015-05-12 | 2015-08-12 | 苏州列治埃盟新材料技术转移有限公司 | Novel multicomponent environment-friendly lead-free alloy new material alloy bar and preparation method thereof |
| CN105063416A (en) * | 2015-07-22 | 2015-11-18 | 芜湖楚江合金铜材有限公司 | Environmental-friendly economical copper alloy wire and processing method thereof |
| CN106222477A (en) * | 2016-08-22 | 2016-12-14 | 徐高磊 | A kind of electric automobile charging pile adapter tellurium copper alloy and production technology thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109514128A (en) * | 2019-01-10 | 2019-03-26 | 新利得（天津）焊接材料有限公司 | A kind of formula and processing technology of complexity Mn-Al-Ni bronze welding wire |
| CN109514128B (en) * | 2019-01-10 | 2021-06-18 | 新利得（天津）焊接材料有限公司 | Formula and production process of complex manganese-aluminum bronze welding wire |
| CN110153224A (en) * | 2019-06-11 | 2019-08-23 | 大连环新精密特钢股份有限公司 | Production line and production method for shaped wire rolling |
| CN112238153A (en) * | 2020-09-27 | 2021-01-19 | 常州金方圆新材料有限公司 | Hot extrusion forging process for mother blank |
| CN112355515A (en) * | 2020-11-13 | 2021-02-12 | 上海都林特种合金材料有限公司 | Phosphor bronze solder and preparation method thereof |
| CN115213586A (en) * | 2022-08-22 | 2022-10-21 | 江苏亨通电力智网科技有限公司 | Wear-resistant and corrosion-resistant manganese-aluminum bronze welding wire and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107999998A (en) | A kind of silicon bronze solder wire and its production technology | |
| CN106222477B (en) | A kind of electric automobile charging pile connector tellurium copper alloy and its production technology | |
| JP4735986B2 (en) | Method for producing magnesium alloy material | |
| CN105705665B (en) | Copper alloy wire, copper alloy twisted wire, covered electric cable, harness and copper alloy wire manufacturing method | |
| JP6462662B2 (en) | Aluminum alloy wire, aluminum alloy twisted wire, covered electric wire, wire harness, and aluminum alloy wire manufacturing method | |
| US8409375B2 (en) | Method of producing a copper alloy wire rod and copper alloy wire rod | |
| CN102303216B (en) | Method for producing copper-clad aluminum bar | |
| CN100503860C (en) | Aluminum alloy plate and process for producing the same | |
| CN107385270A (en) | A kind of preparation technology of frame material copper strips | |
| CN113755728B (en) | Steel-aluminum composite conductor rail and preparation method thereof | |
| CN111519116A (en) | Preparation method of large-length solderless copper-chromium-zirconium contact line | |
| JP2009226419A (en) | Method for producing copper or copper alloy wire rod and copper or copper alloy wire rod | |
| CN106001467B (en) | A kind of preparation method of ultralow tin Cu-Sn contact wire | |
| CN111575528A (en) | Method for producing Zr-containing copper alloy material and copper alloy material produced thereby | |
| CN114101608B (en) | Thin strip continuous casting 6XXX aluminum alloy plate strip and preparation method thereof | |
| CN114107744B (en) | Thin strip continuous casting 6XXX aluminum alloy plate strip and preparation method thereof | |
| CN114101612B (en) | Preparation method of jet-cast high-performance 7XXX aluminum alloy thin strip | |
| CN113385549A (en) | Composite processing method of high-strength high-conductivity pure copper wire | |
| CN108220712A (en) | A kind of smelting preparation method of high-strength aluminum alloy section | |
| JP3749492B2 (en) | Precipitation strengthened copper alloy trolley wire and manufacturing method thereof | |
| JPS5910522B2 (en) | copper coated aluminum wire | |
| CN114107750B (en) | Preparation method of 6XXX aluminum alloy strip by strip continuous casting | |
| CN116422718B (en) | Continuous spinning reducing processing method and manufacturing method of copper-tin-iron alloy micro-fine wire | |
| CN114107764B (en) | Jet casting and rolling 7XXX aluminum alloy thin strip and preparation method thereof | |
| CN114101611B (en) | Preparation method of jet-cast high-performance 6XXX aluminum alloy plate strip |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180508 |